repo_id stringlengths 22 103 | file_path stringlengths 41 147 | content stringlengths 181 193k | __index_level_0__ int64 0 0 |
|---|---|---|---|
data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/js13kgames | data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/js13kgames/app_structure/index.md | ---
title: Progressive web app structure
slug: Web/Progressive_web_apps/Tutorials/js13kGames/App_structure
page-type: guide
---
{{PreviousMenuNext("Web/Progressive_web_apps/Tutorials/js13kGames", "Web/Progressive_web_apps/Tutorials/js13kGames/Offline_Service_workers", "Web/Progressive_web_apps/Tutorials/js13kGames")}}... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/js13kgames | data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/js13kgames/loading/index.md | ---
title: Progressive loading
slug: Web/Progressive_web_apps/Tutorials/js13kGames/Loading
page-type: guide
---
{{PreviousMenu("Web/Progressive_web_apps/Tutorials/js13kGames/Re-engageable_Notifications_Push", "Web/Progressive_web_apps/Tutorials/js13kGames")}}
{{PWASidebar}}
In previous steps of this tutorial we cove... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/js13kgames | data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/js13kgames/offline_service_workers/index.md | ---
title: Making PWAs work offline with Service workers
slug: Web/Progressive_web_apps/Tutorials/js13kGames/Offline_Service_workers
page-type: guide
---
{{PreviousMenuNext("Web/Progressive_web_apps/Tutorials/js13kGames/App_structure", "Web/Progressive_web_apps/Tutorials/js13kGames/Installable_PWAs", "Web/Progressive_... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/tutorials | data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker/index.md | ---
title: CycleTracker
slug: Web/Progressive_web_apps/Tutorials/CycleTracker
page-type: tutorial
---
{{NextMenu("Web/Progressive_web_apps/Tutorials/CycleTracker/HTML_and_CSS")}}
{{PWASidebar}}
This intro-level tutorial walks through all the steps of building a basic progressive web app, or PWA. We will be using web... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker | data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker/javascript_functionality/index.md | ---
title: "CycleTracker: JavaScript functionality"
short-title: JavaScript functionality
slug: Web/Progressive_web_apps/Tutorials/CycleTracker/JavaScript_functionality
page-type: tutorial-chapter
---
{{PWASidebar}}
{{PreviousMenuNext("Web/Progressive_web_apps/Tutorials/CycleTracker/Secure_connection", "Web/Progressi... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker | data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker/manifest_file/tire.svg | <svg xmlns="http://www.w3.org/2000/svg" width="600" height="600" xml:space="preserve" style="background:#363"><circle style="stroke:#cfc;stroke-width:45;stroke-dasharray:none;stroke-linecap:butt;stroke-dashoffset:0;stroke-linejoin:miter;stroke-miterlimit:4;fill:none" cx="300" cy="300" r="225"/><path style="stroke:#cfc;... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker | data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker/manifest_file/index.md | ---
title: "CycleTracker: Manifest and iconography"
short-title: Manifest and iconography
slug: Web/Progressive_web_apps/Tutorials/CycleTracker/Manifest_file
page-type: tutorial-chapter
---
{{PreviousMenuNext("Web/Progressive_web_apps/Tutorials/CycleTracker/JavaScript_functionality", "Web/Progressive_web_apps/Tutorial... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker | data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker/manifest_file/wheel.svg | <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="600" viewBox="0 0 600 600" xml:space="preserve" style="background: #363">
<style>
line {
stroke: #cfc;
stroke-width: 20;
transform-origin: center;
}
circle {
stroke-miterlimit: 4;
fill: none;
}... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker | data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker/manifest_file/circle.svg | <svg xmlns="http://www.w3.org/2000/svg" width="600" height="600" xml:space="preserve" style="background:#363"><circle style="stroke:none;fill:#cfc" cx="300" cy="300" r="255"/></svg> | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker | data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker/html_and_css/index.md | ---
title: "CycleTracker: Base HTML and CSS"
short-title: Base HTML and CSS
slug: Web/Progressive_web_apps/Tutorials/CycleTracker/HTML_and_CSS
page-type: tutorial-chapter
---
{{PreviousMenuNext("Web/Progressive_web_apps/Tutorials/CycleTracker", "Web/Progressive_web_apps/Tutorials/CycleTracker/Secure_connection", "Web/... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker | data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker/service_workers/index.md | ---
title: "CycleTracker: Service workers"
short-title: Service workers
slug: Web/Progressive_web_apps/Tutorials/CycleTracker/Service_workers
page-type: tutorial-chapter
---
{{PWASidebar}}
{{PreviousMenu("Web/Progressive_web_apps/Tutorials/CycleTracker/Manifest_file", "Web/Progressive_web_apps/Tutorials/CycleTracker"... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker | data/mdn-content/files/en-us/web/progressive_web_apps/tutorials/cycletracker/secure_connection/index.md | ---
title: "CycleTracker: Secure connection"
short-title: Secure connection
slug: Web/Progressive_web_apps/Tutorials/CycleTracker/Secure_connection
page-type: tutorial-chapter
---
{{PreviousMenuNext("Web/Progressive_web_apps/Tutorials/CycleTracker/HTML_and_CSS", "Web/Progressive_web_apps/Tutorials/CycleTracker/JavaScr... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps | data/mdn-content/files/en-us/web/progressive_web_apps/guides/index.md | ---
title: Guides
slug: Web/Progressive_web_apps/Guides
page-type: landing-page
---
{{PWASidebar}}
This page lists guides to PWA technology. Guides give conceptual explanations of different aspects of PWAs. They're intended to help you understand what kinds of things are possible with PWAs, and to provide enough poin... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/guides | data/mdn-content/files/en-us/web/progressive_web_apps/guides/best_practices/index.md | ---
title: Best practices for PWAs
slug: Web/Progressive_web_apps/Guides/Best_practices
page-type: guide
---
{{PWASidebar}}
[Progressive Web Apps](/en-US/docs/Web/Progressive_web_apps) (PWAs) can be installed on devices and used as traditional websites in web browsers. This means that PWAs need to be able to adapt to... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/guides | data/mdn-content/files/en-us/web/progressive_web_apps/guides/offline_and_background_operation/index.md | ---
title: Offline and background operation
slug: Web/Progressive_web_apps/Guides/Offline_and_background_operation
page-type: guide
---
{{PWASidebar}}
Usually, websites are very dependent on both reliable network connectivity and on the user having their pages open in a browser. Without network connectivity, most web... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/guides | data/mdn-content/files/en-us/web/progressive_web_apps/guides/offline_and_background_operation/push-messaging-2.svg | <svg xmlns="http://www.w3.org/2000/svg" style="background-color:#fff" xmlns:xlink="http://www.w3.org/1999/xlink" width="700" height="600" viewBox="-0.5 -0.5 700 600"><path fill="#FFF" stroke="#000" pointer-events="all" d="M395 50h90v40h-90z"/><switch transform="translate(-.5 -.5)"><foreignObject style="overflow:visible... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/guides | data/mdn-content/files/en-us/web/progressive_web_apps/guides/offline_and_background_operation/push-messaging-1.svg | <svg xmlns="http://www.w3.org/2000/svg" style="background-color:#fff" xmlns:xlink="http://www.w3.org/1999/xlink" width="600" height="500" viewBox="-0.5 -0.5 600 500"><path fill="#FFF" stroke="#000" pointer-events="all" d="M274.9 60h90v40h-90z"/><switch transform="translate(-.5 -.5)"><foreignObject style="overflow:visib... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/guides | data/mdn-content/files/en-us/web/progressive_web_apps/guides/installing/index.md | ---
title: Installing and uninstalling web apps
slug: Web/Progressive_web_apps/Guides/Installing
page-type: guide
---
{{PWASidebar}}
This guide covers how users can install and uninstall PWAs on their devices. If you want to learn about making a web app installable as a PWA, see [Making PWAs installable](/en-US/docs/... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/guides | data/mdn-content/files/en-us/web/progressive_web_apps/guides/what_is_a_progressive_web_app/index.md | ---
title: What is a progressive web app?
slug: Web/Progressive_web_apps/Guides/What_is_a_progressive_web_app
page-type: guide
---
{{PWASidebar}}
A progressive web app (PWA) is an app that's built using web platform technologies, but that provides a user experience like that of a platform-specific app.
## Platform-s... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/guides | data/mdn-content/files/en-us/web/progressive_web_apps/guides/what_is_a_progressive_web_app/pwa-environment.svg | <svg xmlns="http://www.w3.org/2000/svg" style="background-color:#fff" xmlns:xlink="http://www.w3.org/1999/xlink" width="561" height="382" viewBox="-0.5 -0.5 561 382"><path fill="#FFF" stroke="#000" pointer-events="all" d="M0 0h560v380H0z"/><path fill="#e6e6e6" stroke="#000" pointer-events="all" d="M22 292.25h130v60H22z... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/guides | data/mdn-content/files/en-us/web/progressive_web_apps/guides/caching/index.md | ---
title: Caching
slug: Web/Progressive_web_apps/Guides/Caching
page-type: guide
---
{{PWASidebar}}
When a user opens and interacts with a website, all the resources that the website needs, including the HTML, JavaScript, CSS, images, fonts, as well as any data explicitly requested by the app, are retrieved by makin... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps/guides | data/mdn-content/files/en-us/web/progressive_web_apps/guides/making_pwas_installable/index.md | ---
title: Making PWAs installable
slug: Web/Progressive_web_apps/Guides/Making_PWAs_installable
page-type: guide
---
{{PWASidebar}}
One of the defining aspects of a PWA is that it can be promoted by the browser for installation on the device. Once installed, a PWA appears to users as a platform-specific app, a perma... | 0 |
data/mdn-content/files/en-us/web/progressive_web_apps | data/mdn-content/files/en-us/web/progressive_web_apps/reference/index.md | ---
title: Progressive Web Apps reference
short-title: Reference
slug: Web/Progressive_web_apps/Reference
page-type: landing-page
---
{{PWASidebar}}
This reference describes the technologies, features, and APIs that [Progressive Web Apps](/en-US/docs/Web/Progressive_web_apps) (PWAs) can use to offer a great user expe... | 0 |
data/mdn-content/files/en-us/web | data/mdn-content/files/en-us/web/mathml/index.md | ---
title: MathML
slug: Web/MathML
page-type: landing-page
browser-compat: mathml.elements.math
---
{{MathMLRef}}
**Mathematical Markup Language (MathML)** is an [XML](/en-US/docs/Web/XML)-based language for describing mathematical notation.
[MathML](https://w3c.github.io/mathml/) was originally designed as a genera... | 0 |
data/mdn-content/files/en-us/web/mathml | data/mdn-content/files/en-us/web/mathml/authoring/index.md | ---
title: Authoring MathML
slug: Web/MathML/Authoring
page-type: guide
---
{{MathMLRef}}
This page explains how to write mathematics using the MathML language, which is described with tags and attributes in text format. Just like for HTML or SVG, this text can become very verbose for complex content and so requires ... | 0 |
data/mdn-content/files/en-us/web/mathml | data/mdn-content/files/en-us/web/mathml/fonts/index.md | ---
title: Fonts for MathML
slug: Web/MathML/Fonts
page-type: guide
---
{{MathMLRef}}
Fonts with appropriate Unicode coverage and Open Font Format features are required for good math rendering.
This page describes how users can install such math fonts to properly display MathML in browsers.
## Installation instructi... | 0 |
data/mdn-content/files/en-us/web/mathml | data/mdn-content/files/en-us/web/mathml/element/index.md | ---
title: MathML element reference
slug: Web/MathML/Element
page-type: landing-page
---
{{MathMLRef}}
This is an alphabetical list of MathML elements. All of them implement the {{domxref("MathMLElement")}} class.
> **Note:** As explained on the main [MathML](/en-US/docs/Web/MathML) page, MDN uses [MathML Core](http... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mphantom/index.md | ---
title: <mphantom>
slug: Web/MathML/Element/mphantom
page-type: mathml-element
browser-compat: mathml.elements.mphantom
---
{{MathMLRef}}
The **`<mphantom>`** [MathML](/en-US/docs/Web/MathML) element is rendered invisibly, but dimensions (such as height, width, and baseline position) are still kept.
## Attributes... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/merror/index.md | ---
title: <merror>
slug: Web/MathML/Element/merror
page-type: mathml-element
browser-compat: mathml.elements.merror
---
{{MathMLRef}}
The **`<merror>`** [MathML](/en-US/docs/Web/MathML) element is used to display contents as error messages. The intent of this element is to provide a standard way for programs that ge... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/maction/index.md | ---
title: <maction>
slug: Web/MathML/Element/maction
page-type: mathml-element
status:
- deprecated
browser-compat: mathml.elements.maction
---
{{MathMLRef}}{{Deprecated_Header}}
The **`<maction>`** [MathML](/en-US/docs/Web/MathML) element allows to bind actions to mathematical expressions. By default, only the fi... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mrow/index.md | ---
title: <mrow>
slug: Web/MathML/Element/mrow
page-type: mathml-element
browser-compat: mathml.elements.mrow
---
{{MathMLRef}}
The **`<mrow>`** [MathML](/en-US/docs/Web/MathML) element is used to group sub-expressions, which usually contain one or more [operators](/en-US/docs/Web/MathML/Element/mo) with their respe... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/msup/index.md | ---
title: <msup>
slug: Web/MathML/Element/msup
page-type: mathml-element
browser-compat: mathml.elements.msup
---
{{MathMLRef}}
The **`<msup>`** [MathML](/en-US/docs/Web/MathML) element is used to attach a superscript to an expression.
It uses the following syntax: `<msup> base superscript </msup>`.
## Attributes
... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/msubsup/index.md | ---
title: <msubsup>
slug: Web/MathML/Element/msubsup
page-type: mathml-element
browser-compat: mathml.elements.msubsup
---
{{MathMLRef}}
The **`<msubsup>`** [MathML](/en-US/docs/Web/MathML) element is used to attach both a subscript and a superscript, together, to an expression.
It uses the following syntax: `<msub... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mmultiscripts/index.md | ---
title: <mmultiscripts>
slug: Web/MathML/Element/mmultiscripts
page-type: mathml-element
browser-compat: mathml.elements.mmultiscripts
---
{{MathMLRef}}
The **`<mmultiscripts>`** [MathML](/en-US/docs/Web/MathML) element is used to attach an arbitrary number of subscripts and superscripts to an expression at once, ... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mtext/index.md | ---
title: <mtext>
slug: Web/MathML/Element/mtext
page-type: mathml-element
browser-compat: mathml.elements.mtext
---
{{MathMLRef}}
The **`<mtext>`** [MathML](/en-US/docs/Web/MathML) element is used to render arbitrary text with _no_ notational meaning, such as comments or annotations.
To display text _with_ notatio... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mtr/index.md | ---
title: <mtr>
slug: Web/MathML/Element/mtr
page-type: mathml-element
browser-compat: mathml.elements.mtr
---
{{MathMLRef}}
The **`<mtr>`** [MathML](/en-US/docs/Web/MathML) element represents a row in a table or a matrix. It may only appear in a {{ MathMLElement("mtable") }} element and its children are {{ MathMLEl... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mn/index.md | ---
title: <mn>
slug: Web/MathML/Element/mn
page-type: mathml-element
browser-compat: mathml.elements.mn
---
{{MathMLRef}}
The **`<mn>`** [MathML](/en-US/docs/Web/MathML) element represents a **numeric** literal which is normally a sequence of digits with a possible separator (a dot or a comma). However, it is also a... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mstyle/index.md | ---
title: <mstyle>
slug: Web/MathML/Element/mstyle
page-type: mathml-element
browser-compat: mathml.elements.mstyle
---
{{MathMLRef}}
The **`<mstyle>`** [MathML](/en-US/docs/Web/MathML) element is used to change the style of its children.
> **Note:** Historically, this element accepted almost all the MathML attribu... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/menclose/index.md | ---
title: <menclose>
slug: Web/MathML/Element/menclose
page-type: mathml-element
status:
- non-standard
browser-compat: mathml.elements.menclose
---
{{MathMLRef}}{{Non-standard_header}}
The **`<menclose>`** [MathML](/en-US/docs/Web/MathML) element renders its content inside an enclosing notation specified by the `... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/semantics/index.md | ---
title: <semantics>
slug: Web/MathML/Element/semantics
page-type: mathml-element
browser-compat: mathml.elements.semantics
---
{{MathMLRef}}
The **`<semantics>`** [MathML](/en-US/docs/Web/MathML) element associates annotations with a MathML expression, for example its text source as a [lightweight markup language]... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mspace/index.md | ---
title: <mspace>
slug: Web/MathML/Element/mspace
page-type: mathml-element
browser-compat: mathml.elements.mspace
---
{{MathMLRef}}
The **`<mspace>`** [MathML](/en-US/docs/Web/MathML) element is used to display a blank space, whose size is set by its attributes.
## Attributes
This element's attributes include th... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/ms/index.md | ---
title: <ms>
slug: Web/MathML/Element/ms
page-type: mathml-element
browser-compat: mathml.elements.ms
---
{{MathMLRef}}
The **`<ms>`** [MathML](/en-US/docs/Web/MathML) element represents a **string** literal meant to be interpreted by programming languages and computer algebra systems.
## Attributes
This element... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mfrac/index.md | ---
title: <mfrac>
slug: Web/MathML/Element/mfrac
page-type: mathml-element
browser-compat: mathml.elements.mfrac
---
{{MathMLRef}}
The **`<mfrac>`** [MathML](/en-US/docs/Web/MathML) element is used to display fractions. It can also be used
to mark up fraction-like objects such as
[binomial coefficients](https://en.w... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/msub/index.md | ---
title: <msub>
slug: Web/MathML/Element/msub
page-type: mathml-element
browser-compat: mathml.elements.msub
---
{{MathMLRef}}
The **`<msub>`** [MathML](/en-US/docs/Web/MathML) element is used to attach a subscript to an expression.
It uses the following syntax: `<msub> base subscript </msub>`.
## Attributes
Thi... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mover/index.md | ---
title: <mover>
slug: Web/MathML/Element/mover
page-type: mathml-element
browser-compat: mathml.elements.mover
---
{{MathMLRef}}
The **`<mover>`** [MathML](/en-US/docs/Web/MathML) element is used to attach an accent or a limit over an expression. Use the following syntax: `<mover> base overscript </mover>`
## Att... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mtable/index.md | ---
title: <mtable>
slug: Web/MathML/Element/mtable
page-type: mathml-element
browser-compat: mathml.elements.mtable
---
{{MathMLRef}}
The **`<mtable>`** [MathML](/en-US/docs/Web/MathML) element allows you to create tables or matrices. Its children are {{ MathMLElement("mtr") }} elements (representing rows), each of ... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mfenced/index.md | ---
title: <mfenced>
slug: Web/MathML/Element/mfenced
page-type: mathml-element
status:
- deprecated
- non-standard
browser-compat: mathml.elements.mfenced
---
{{MathMLRef}}{{Deprecated_Header}}{{Non-standard_Header}}
The **`<mfenced>`** [MathML](/en-US/docs/Web/MathML) element provides the possibility to add cus... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mtd/index.md | ---
title: <mtd>
slug: Web/MathML/Element/mtd
page-type: mathml-element
browser-compat: mathml.elements.mtd
---
{{MathMLRef}}
The **`<mtd>`** [MathML](/en-US/docs/Web/MathML) element represents a cell in a table or a matrix. It may only appear in a {{ MathMLElement("mtr") }} element. This element is similar to the {{... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mo/index.md | ---
title: <mo>
slug: Web/MathML/Element/mo
page-type: mathml-element
browser-compat: mathml.elements.mo
---
{{MathMLRef}}
The **`<mo>`** [MathML](/en-US/docs/Web/MathML) element represents an **operator** in a broad sense. Besides operators in strict mathematical meaning, this element also includes "operators" like ... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mpadded/index.md | ---
title: <mpadded>
slug: Web/MathML/Element/mpadded
page-type: mathml-element
browser-compat: mathml.elements.mpadded
---
{{MathMLRef}}
The **`<mpadded>`** [MathML](/en-US/docs/Web/MathML) element is used to add extra padding and to set the general adjustment of position and size of enclosed contents.
## Attribute... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/msqrt/index.md | ---
title: <msqrt>
slug: Web/MathML/Element/msqrt
page-type: mathml-element
browser-compat: mathml.elements.msqrt
---
{{MathMLRef}}
The **`<msqrt>`** [MathML](/en-US/docs/Web/MathML) element is used to display square roots (no index is displayed). The square root accepts only one argument, which leads to the followin... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/munderover/index.md | ---
title: <munderover>
slug: Web/MathML/Element/munderover
page-type: mathml-element
browser-compat: mathml.elements.munderover
---
{{MathMLRef}}
The **`<munderover>`** [MathML](/en-US/docs/Web/MathML) element is used to attach accents or limits both under and over an expression.
It uses the following syntax: `<mun... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/math/index.md | ---
title: <math>
slug: Web/MathML/Element/math
page-type: mathml-element
browser-compat: mathml.elements.math
---
{{MathMLRef}}
The **`<math>`** [MathML](/en-US/docs/Web/MathML) element is the top-level MathML element, used to write a single mathematical formula. It can be placed in HTML content where [flow content]... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/munder/index.md | ---
title: <munder>
slug: Web/MathML/Element/munder
page-type: mathml-element
browser-compat: mathml.elements.munder
---
{{MathMLRef}}
The **`<munder>`** [MathML](/en-US/docs/Web/MathML) element is used to attach an accent or a limit under an expression. It uses the following syntax: `<munder> base underscript </mund... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mi/index.md | ---
title: <mi>
slug: Web/MathML/Element/mi
page-type: mathml-element
browser-compat: mathml.elements.mi
---
{{MathMLRef}}
The **`<mi>`** [MathML](/en-US/docs/Web/MathML) element indicates that the content should be rendered as an **identifier**, such as a function name, variable or symbolic constant.
By default `<m... | 0 |
data/mdn-content/files/en-us/web/mathml/element | data/mdn-content/files/en-us/web/mathml/element/mroot/index.md | ---
title: <mroot>
slug: Web/MathML/Element/mroot
page-type: mathml-element
browser-compat: mathml.elements.mroot
---
{{MathMLRef}}
The **`<mroot>`** [MathML](/en-US/docs/Web/MathML) element is used to display roots with an explicit index. Two arguments are accepted, which leads to the syntax: `<mroot> base index </m... | 0 |
data/mdn-content/files/en-us/web/mathml | data/mdn-content/files/en-us/web/mathml/values/index.md | ---
title: MathML Attribute Values
slug: Web/MathML/Values
page-type: guide
browser-compat: mathml.attribute_values
---
{{MathMLRef}}
## MathML-specific types
In addition to [CSS data types](/en-US/docs/Web/CSS/CSS_Types), some MathML attributes accept the following types:
- `<unsigned-integer>`: An [`<integer>`](/... | 0 |
data/mdn-content/files/en-us/web/mathml | data/mdn-content/files/en-us/web/mathml/examples/index.md | ---
title: Examples
slug: Web/MathML/Examples
page-type: landing-page
---
{{MathMLRef}}
Below you'll find some examples you can look at to help you to understand how to use MathML.
## MathML formulas
The following demos display increasingly complex mathematical concepts in Web content.
- [Pythagorean Theorem](/en-... | 0 |
data/mdn-content/files/en-us/web/mathml/examples | data/mdn-content/files/en-us/web/mathml/examples/mathml_pythagorean_theorem/index.md | ---
title: Proving the Pythagorean theorem
slug: Web/MathML/Examples/MathML_Pythagorean_Theorem
page-type: guide
---
{{MathMLRef}}
We will now prove the [Pythagorean theorem](https://en.wikipedia.org/wiki/Pythagorean_theorem):
**Statement**: In a right triangle, the square of the hypotenuse is equal to
the sum of th... | 0 |
data/mdn-content/files/en-us/web/mathml/examples | data/mdn-content/files/en-us/web/mathml/examples/deriving_the_quadratic_formula/index.md | ---
title: Deriving the Quadratic Formula
slug: Web/MathML/Examples/Deriving_the_Quadratic_Formula
page-type: guide
---
{{MathMLRef}}
This page outlines the derivation of the [Quadratic Formula](https://en.wikipedia.org/wiki/Quadratic_formula).
We take a quadratic equation in its general form, and solve for x:
<mat... | 0 |
data/mdn-content/files/en-us/web/mathml | data/mdn-content/files/en-us/web/mathml/attribute/index.md | ---
title: Attributes
slug: Web/MathML/Attribute
page-type: landing-page
---
{{MathMLRef}}
This is an alphabetical list of MathML attributes. More details for each attribute are available on relevant [MathML element pages](/en-US/docs/Web/MathML/Element) and on the [global attributes page](/en-US/docs/Web/MathML/Glob... | 0 |
data/mdn-content/files/en-us/web/mathml | data/mdn-content/files/en-us/web/mathml/global_attributes/index.md | ---
title: Global attributes
slug: Web/MathML/Global_attributes
page-type: landing-page
browser-compat: mathml.global_attributes
---
{{MathMLRef}}
**Global attributes** are attributes common to all MathML elements; they can be used on all elements, though they may have no effect on some elements.
Global attributes m... | 0 |
data/mdn-content/files/en-us/web/mathml/global_attributes | data/mdn-content/files/en-us/web/mathml/global_attributes/dir/index.md | ---
title: dir
slug: Web/MathML/Global_attributes/dir
page-type: mathml-attribute
browser-compat: mathml.global_attributes.dir
---
{{MathMLRef}}
The **`dir`** [global attribute](/en-US/docs/Web/MathML/Global_attributes) is an [enumerated](/en-US/docs/Glossary/Enumerated) attribute that indicates the directionality of... | 0 |
data/mdn-content/files/en-us/web/mathml/global_attributes | data/mdn-content/files/en-us/web/mathml/global_attributes/mathcolor/index.md | ---
title: mathcolor
slug: Web/MathML/Global_attributes/mathcolor
page-type: mathml-attribute
status:
- deprecated
browser-compat: mathml.global_attributes.mathcolor
---
{{MathMLRef}}{{Deprecated_Header}}
The **`mathcolor`** [global attribute](/en-US/docs/Web/MathML/Global_attributes) sets the [color](/en-US/docs/W... | 0 |
data/mdn-content/files/en-us/web/mathml/global_attributes | data/mdn-content/files/en-us/web/mathml/global_attributes/displaystyle/index.md | ---
title: displaystyle
slug: Web/MathML/Global_attributes/displaystyle
page-type: mathml-attribute
browser-compat: mathml.global_attributes.displaystyle
---
{{MathMLRef}}
The **`displaystyle`** [global attribute](/en-US/docs/Web/MathML/Global_attributes) is a boolean setting the [math-style](/en-US/docs/Web/CSS/math... | 0 |
data/mdn-content/files/en-us/web/mathml/global_attributes | data/mdn-content/files/en-us/web/mathml/global_attributes/href/index.md | ---
title: href
slug: Web/MathML/Global_attributes/href
page-type: mathml-attribute
status:
- non-standard
browser-compat: mathml.global_attributes.href
---
{{MathMLRef}}{{Non-standard_header}}
The **`href`** [global attribute](/en-US/docs/Web/MathML/Global_attributes) creates a hyperlink on the MathML element poin... | 0 |
data/mdn-content/files/en-us/web/mathml/global_attributes | data/mdn-content/files/en-us/web/mathml/global_attributes/mathsize/index.md | ---
title: mathsize
slug: Web/MathML/Global_attributes/mathsize
page-type: mathml-attribute
status:
- deprecated
browser-compat: mathml.global_attributes.mathsize
---
{{MathMLRef}}{{Deprecated_Header}}
The **`mathsize`** [global attribute](/en-US/docs/Web/MathML/Global_attributes) sets the [font-size](/en-US/docs/W... | 0 |
data/mdn-content/files/en-us/web/mathml/global_attributes | data/mdn-content/files/en-us/web/mathml/global_attributes/scriptlevel/index.md | ---
title: scriptlevel
slug: Web/MathML/Global_attributes/scriptlevel
page-type: mathml-attribute
browser-compat: mathml.global_attributes.scriptlevel
---
{{MathMLRef}}
The **`scriptlevel`** [global attribute](/en-US/docs/Web/MathML/Global_attributes) sets the [math-depth](/en-US/docs/Web/CSS/math-depth) of a MathML ... | 0 |
data/mdn-content/files/en-us/web/mathml/global_attributes | data/mdn-content/files/en-us/web/mathml/global_attributes/mathbackground/index.md | ---
title: mathbackground
slug: Web/MathML/Global_attributes/mathbackground
page-type: mathml-attribute
status:
- deprecated
browser-compat: mathml.global_attributes.mathbackground
---
{{MathMLRef}}{{Deprecated_Header}}
The **`mathbackground`** [global attribute](/en-US/docs/Web/MathML/Global_attributes) sets the [... | 0 |
data/mdn-content/files/en-us/web | data/mdn-content/files/en-us/web/text_fragments/index.md | ---
title: Text fragments
slug: Web/Text_fragments
page-type: guide
browser-compat:
- html.elements.a.text_fragments
- api.FragmentDirective
- css.selectors.target-text
---
**Text fragments** allow linking directly to a specific portion of text in a web document, without requiring the author to annotate it with ... | 0 |
data/mdn-content/files/en-us/web | data/mdn-content/files/en-us/web/xml/index.md | ---
title: "XML: Extensible Markup Language"
slug: Web/XML
page-type: landing-page
---
{{QuickLinksWithSubpages("/en-US/docs/Web/XML")}}
The **Extensible Markup Language** is a strict serialization of the [Document Object Model](/en-US/docs/Web/API/Document_Object_Model).
{{LandingPageListSubpages}}
| 0 |
data/mdn-content/files/en-us/web/xml | data/mdn-content/files/en-us/web/xml/xml_introduction/index.md | ---
title: XML introduction
slug: Web/XML/XML_introduction
page-type: guide
---
{{QuickLinksWithSubpages("/en-US/docs/Web/XML")}}
XML (Extensible Markup Language) is a markup language similar to {{Glossary("HTML")}}, but without predefined tags to use. Instead, you define your own tags designed specifically for your ... | 0 |
data/mdn-content/files/en-us/web/xml | data/mdn-content/files/en-us/web/xml/parsing_and_serializing_xml/index.md | ---
title: Parsing and serializing XML
slug: Web/XML/Parsing_and_serializing_XML
page-type: guide
---
{{QuickLinksWithSubpages("/en-US/docs/Web/XML")}}
At times, you may need to parse {{Glossary("XML")}} content and convert it into a {{Glossary("DOM")}} tree, or, conversely, serialize an existing DOM tree into XML. I... | 0 |
data/mdn-content/files/en-us | data/mdn-content/files/en-us/related/index.md | ---
title: Web-related technologies
slug: Related
page-type: landing-page
---
This section of the site is a home for documentation on web-related technologies that aren't central to the MDN's remit (i.e. they aren't web standards technologies), but are nonetheless related to the web and of interest to web developers.
... | 0 |
data/mdn-content/files/en-us/related | data/mdn-content/files/en-us/related/imsc/index.md | ---
title: "IMSC: subtitles and captioning for the Web"
slug: Related/IMSC
page-type: guide
---
IMSC (TTML Profiles for Internet Media Subtitles and Captions) is a file format for representing subtitles and captions. It uses XML to describe content, timing, layout, and styling. IMSC is very similar to HTML and CSS in ... | 0 |
data/mdn-content/files/en-us/related/imsc | data/mdn-content/files/en-us/related/imsc/using_the_imscjs_polyfill/index.md | ---
title: Using the imscJS polyfill
slug: Related/IMSC/Using_the_imscJS_polyfill
page-type: guide
---
You currently need a polyfill to render IMSC on the web. imscJS is a good choice as it is actively maintained and has almost complete coverage of the IMSC features. This article shows you how to make use of imscJS an... | 0 |
data/mdn-content/files/en-us/related/imsc | data/mdn-content/files/en-us/related/imsc/timing_in_imsc/index.md | ---
title: Timing in IMSC
slug: Related/IMSC/Timing_in_IMSC
page-type: guide
---
When building an IMSC document, each defined piece of text must include timing information to specify when it should appear. There are multiple ways to describe when a subtitle should start and stop displaying, with pros and cons to each ... | 0 |
data/mdn-content/files/en-us/related/imsc | data/mdn-content/files/en-us/related/imsc/basics/index.md | ---
title: IMSC basics
slug: Related/IMSC/Basics
page-type: guide
---
IMSC allows you to add subtitles or captions to your online video. In this article we'll take you through what you need to get started, including basic document structure, and the basics of how to style, time, and position subtitles.
> **Note:** IM... | 0 |
data/mdn-content/files/en-us/related/imsc | data/mdn-content/files/en-us/related/imsc/imsc_and_other_standards/index.md | ---
title: IMSC and other standards
slug: Related/IMSC/IMSC_and_other_standards
page-type: guide
---
IMSC is the result of an international effort to bring together popular profiles of [TTML](https://www.w3.org/TR/ttml/), like [EBU-TT-D](https://tech.ebu.ch/publications/tech3380) and [SMPTE-TT](https://ieeexplore.ieee... | 0 |
data/mdn-content/files/en-us/related/imsc | data/mdn-content/files/en-us/related/imsc/styling/index.md | ---
title: Styling IMSC documents
slug: Related/IMSC/Styling
page-type: guide
---
IMSC offers many options for styling documents, and most of the IMSC styling properties have direct CSS equivalents, making them familiar to web developers. In this guide you'll learn a bit more about IMSC styling including the differenc... | 0 |
data/mdn-content/files/en-us/related/imsc | data/mdn-content/files/en-us/related/imsc/mapping_video_time_codes_to_imsc/index.md | ---
title: Mapping video time codes to IMSC
slug: Related/IMSC/Mapping_video_time_codes_to_IMSC
page-type: guide
---
Mapping the time or time code value that is seen within a video track or video editor timeline to an IMSC document can be a little tricky. There are a few different issues that you'll need to be aware o... | 0 |
data/mdn-content/files/en-us/related/imsc | data/mdn-content/files/en-us/related/imsc/namespaces/index.md | ---
title: Namespaces in IMSC
slug: Related/IMSC/Namespaces
page-type: guide
---
This article covers the subject of XML namespaces, giving you enough information to recognize their usage in IMSC, and be able to use it effectively.
## What are XML namespaces?
Namespaces are basically the mechanism that you use in XML... | 0 |
data/mdn-content/files/en-us/related/imsc | data/mdn-content/files/en-us/related/imsc/subtitle_placement/index.md | ---
title: Subtitle placement in IMSC
slug: Related/IMSC/Subtitle_placement
page-type: guide
---
IMSC allows for very explicit positioning of the text over the video content you are displaying it against. There are a few tricks and best practices that can be used in order to simplify the placement of the on-screen tex... | 0 |
data/mdn-content/files/en-us | data/mdn-content/files/en-us/mdn/index.md | ---
title: The MDN Web Docs project
slug: MDN
page-type: landing-page
---
{{MDNSidebar}}
**MDN Web Docs** is free-to-use resource on which we document the open web platform. Our mission is to provide _developers_ with the _information_ they need to _easily_ build projects on the _web platform_.
This is the landing p... | 0 |
data/mdn-content/files/en-us/mdn | data/mdn-content/files/en-us/mdn/mdn_product_advisory_board/index.md | ---
title: MDN Product Advisory Board
slug: MDN/MDN_Product_Advisory_Board
page-type: guide
---
{{MDNSidebar}}
MDN Web Docs is a trusted source of technical documentation for web developers, built on an open-source web development documentation platform based on wiki technology, which allows virtually anyone to write... | 0 |
data/mdn-content/files/en-us/mdn/mdn_product_advisory_board | data/mdn-content/files/en-us/mdn/mdn_product_advisory_board/membership/index.md | ---
title: Product Advisory Board Charter & Membership
slug: MDN/MDN_Product_Advisory_Board/Membership
page-type: guide
---
{{MDNSidebar}}
## 1. Purpose and Objectives
The primary purpose of the PAB is to provide advice, input, and feedback on content strategy, content prioritization, strategic direction, and platfo... | 0 |
data/mdn-content/files/en-us/mdn | data/mdn-content/files/en-us/mdn/kitchensink/index.md | ---
title: The MDN Content Kitchensink
slug: MDN/Kitchensink
page-type: guide
browser-compat: html.elements.video
---
> **Warning:** Don't delete this page. It's used by [mdn/yari](https://github.com/mdn/yari) for its automation.
## About this page
The **kitchensink** is a page that _attempts_ to incorporate every p... | 0 |
data/mdn-content/files/en-us/mdn | data/mdn-content/files/en-us/mdn/writing_guidelines/index.md | ---
title: Writing guidelines
slug: MDN/Writing_guidelines
page-type: mdn-writing-guide
---
{{MDNSidebar}}
MDN Web Docs is an open-source project. The sections outlined below describe our guidelines for _what_ we document and _how_ we do it on MDN Web Docs. To learn about _how to contribute_, see our [contribution gu... | 0 |
data/mdn-content/files/en-us/mdn/writing_guidelines | data/mdn-content/files/en-us/mdn/writing_guidelines/what_we_write/index.md | ---
title: What we write
slug: MDN/Writing_guidelines/What_we_write
page-type: mdn-writing-guide
---
{{MDNSidebar}}
MDN Web Docs contains _browser-neutral_ documentation that enables web developers to write _browser-agnostic_ code. In this article, you'll find information about whether or not a given topic and/or typ... | 0 |
data/mdn-content/files/en-us/mdn/writing_guidelines/what_we_write | data/mdn-content/files/en-us/mdn/writing_guidelines/what_we_write/criteria_for_inclusion/index.md | ---
title: Criteria for inclusion on MDN Web Docs
slug: MDN/Writing_guidelines/What_we_write/Criteria_for_inclusion
page-type: mdn-writing-guide
---
{{MDNSidebar}}
This article describes, in detail, criteria for content to be included on MDN Web Docs, the application process for including new documentation, and expec... | 0 |
data/mdn-content/files/en-us/mdn/writing_guidelines | data/mdn-content/files/en-us/mdn/writing_guidelines/writing_style_guide/index.md | ---
title: Writing style guide
slug: MDN/Writing_guidelines/Writing_style_guide
page-type: mdn-writing-guide
---
{{MDNSidebar}}
This writing style guide describes how content should be written, organized, spelled, and formatted on MDN Web Docs.
These guidelines are for ensuring language and style consistency across ... | 0 |
data/mdn-content/files/en-us/mdn/writing_guidelines/writing_style_guide | data/mdn-content/files/en-us/mdn/writing_guidelines/writing_style_guide/code_style_guide/index.md | ---
title: Guidelines for writing code examples
slug: MDN/Writing_guidelines/Writing_style_guide/Code_style_guide
page-type: mdn-writing-guide
---
{{MDNSidebar}}
The guidelines described in this article apply to the styling and formatting of code examples, irrespective of the language. For guidelines about what conte... | 0 |
data/mdn-content/files/en-us/mdn/writing_guidelines/writing_style_guide/code_style_guide | data/mdn-content/files/en-us/mdn/writing_guidelines/writing_style_guide/code_style_guide/shell/index.md | ---
title: Guidelines for writing shell prompt code examples
slug: MDN/Writing_guidelines/Writing_style_guide/Code_style_guide/Shell
page-type: mdn-writing-guide
---
{{MDNSidebar}}
The following guidelines cover how to write Shell prompt code examples for MDN Web Docs.
## What is a "shell"
A shell is a program that... | 0 |
data/mdn-content/files/en-us/mdn/writing_guidelines/writing_style_guide/code_style_guide | data/mdn-content/files/en-us/mdn/writing_guidelines/writing_style_guide/code_style_guide/html/index.md | ---
title: Guidelines for writing HTML code examples
slug: MDN/Writing_guidelines/Writing_style_guide/Code_style_guide/HTML
page-type: mdn-writing-guide
---
{{MDNSidebar}}
The following guidelines cover how to write HTML example code for MDN Web Docs.
## General guidelines for HTML code examples
### Choosing a form... | 0 |
data/mdn-content/files/en-us/mdn/writing_guidelines/writing_style_guide/code_style_guide | data/mdn-content/files/en-us/mdn/writing_guidelines/writing_style_guide/code_style_guide/javascript/index.md | ---
title: Guidelines for writing JavaScript code examples
slug: MDN/Writing_guidelines/Writing_style_guide/Code_style_guide/JavaScript
page-type: mdn-writing-guide
---
{{MDNSidebar}}
The following guidelines cover writing JavaScript example code for MDN Web Docs. This article is a list of rules for writing concise e... | 0 |
data/mdn-content/files/en-us/mdn/writing_guidelines/writing_style_guide/code_style_guide | data/mdn-content/files/en-us/mdn/writing_guidelines/writing_style_guide/code_style_guide/css/index.md | ---
title: Guidelines for writing CSS code examples
slug: MDN/Writing_guidelines/Writing_style_guide/Code_style_guide/CSS
page-type: mdn-writing-guide
---
{{MDNSidebar}}
The following guidelines cover how to write CSS example code for MDN Web Docs.
## General guidelines for CSS code examples
### Choosing a format
... | 0 |
data/mdn-content/files/en-us/mdn/writing_guidelines | data/mdn-content/files/en-us/mdn/writing_guidelines/experimental_deprecated_obsolete/index.md | ---
title: Experimental, deprecated, and obsolete
slug: MDN/Writing_guidelines/Experimental_deprecated_obsolete
page-type: mdn-writing-guide
---
{{MDNSidebar}}
These terms are commonly associated with technologies and specifications and are used on MDN Web Docs to label the status of a technology. For the definition ... | 0 |
data/mdn-content/files/en-us/mdn/writing_guidelines | data/mdn-content/files/en-us/mdn/writing_guidelines/howto/index.md | ---
title: How-to guides
slug: MDN/Writing_guidelines/Howto
page-type: mdn-writing-guide
---
{{MDNSidebar}}
This section of MDN Web Docs writing guidelines contains all the step-by-step information for accomplishing specific tasks when contributing to MDN Web Docs: how we use markdown, how we add an entry to the glos... | 0 |
data/mdn-content/files/en-us/mdn/writing_guidelines/howto | data/mdn-content/files/en-us/mdn/writing_guidelines/howto/document_a_css_property/index.md | ---
title: How to document a CSS property
slug: MDN/Writing_guidelines/Howto/Document_a_CSS_property
page-type: mdn-writing-guide
---
{{MDNSidebar}}
As the [CSS](/en-US/docs/Web/CSS) standards evolve, new properties are always being added. The [CSS Reference](/en-US/docs/Web/CSS/Reference) on MDN Web Docs needs to be... | 0 |
data/mdn-content/files/en-us/mdn/writing_guidelines/howto | data/mdn-content/files/en-us/mdn/writing_guidelines/howto/json_structured_data/index.md | ---
title: How to use structured data
slug: MDN/Writing_guidelines/Howto/JSON_Structured_data
page-type: mdn-writing-guide
---
{{MDNSidebar}}
MDN stores data in well-defined structures when possible. This information is then centralized and can be updated once, while being used in numerous places.
There are several ... | 0 |
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